The once grassy backyard of this cute old town Boulder cottage was transformed into a highly functional food garden. Straw was utilized as a cover mulch to keep down weeds and enrich the soil over time as it breaks down. To read more about this '3-D Garden' see: http://www.homeandgardenmag.com/a-3-d-garden-delicious-dependable-divine//a-3-d-garden-delicious-dependable-divine/